<SEC-DOCUMENT>0001193125-15-209025-index.html : 20150601 <SEC-HEADER>0001193125-15-209025.hdr.sgml : 20150601 <ACCEPTANCE-DATETIME>20150601160910 ACCESSION NUMBER: 0001193125-15-209025 CONFORMED SUBMISSION TYPE: DEFA14A PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20150601 DATE AS OF CHANGE: 20150601 EFFECTIVENESS DATE: 20150601 FILER: COMPANY DATA: COMPANY CONFORMED NAME: ALTERA CORP CENTRAL INDEX KEY: 0000768251 STANDARD INDUSTRIAL CLASSIFICATION: SEMICONDUCTORS & RELATED DEVICES [3674] IRS NUMBER: 770016691 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: DEFA14A SEC ACT: 1934 Act SEC FILE NUMBER: 000-16617 FILM NUMBER: 15903470 BUSINESS ADDRESS: STREET 1: 101 INNOVATION DR CITY: SAN JOSE STATE: CA ZIP: 95134 BUSINESS PHONE: 408.544.8790 MAIL ADDRESS: STREET 1: 101 INNOVATION DR CITY: SAN JOSE STATE: CA ZIP: 95134 </SEC-HEADER> <DOCUMENT> <TYPE>DEFA14A <SEQUENCE>1 <FILENAME>d935597d8k.htm <DESCRIPTION>FORM 8-K <TEXT> Document 1 - file: d935597d8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-2.1 <SEQUENCE>2 <FILENAME>d935597dex21.htm <DESCRIPTION>EX-2.1 <TEXT> Document 2 - file: d935597dex21.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>3 <FILENAME>d935597dex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 3 - file: d935597dex991.htm
</DOCUMENT> </SEC-DOCUMENT>